In a bag a person can carry 10 books. The books are mathematics physics, management and fiction. If a person carries a book of management, he has to carry two or more books of fiction. If he carries a book of mathematics he has to carry two or more books of physics. In carrying books he used to get certain points. To carry a book of management, mathematics, physics and fiction each the points he got were 4, 3, 2, 1 respectively. He has to carry a book of each subject. So what is the maximum no of points a person can get?

• A. 20
• B. 21
• C. 22
• D. 23